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Indoor marijuana growing uses 8% of California electricity

One more reason to legalize marijuana: Secretive indoor growing uses prodigious amounts of electricity and generates large amounts of greenhouse gases. Nationwide, indoor grow houses use 1% of all electricity with usage in California a whopping 8%.

“If improved practices applicable to commercial agricultural greenhouses are any indication, such large amounts of energy are not required for indoor cannabis production,” he wrote. “Cost-effective efficiency improvements of 75 percent are conceivable.”